Disk drive apparatus and method for compensating for error in servo-information-recorded position between heads
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United States of America Patent
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Sep 20, 2005
Grant Date -
Feb 6, 2003
app pub date -
Mar 13, 2002
filing date -
Aug 2, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a first mode, an R/W channel starts to monitor read information to thereby detect a servo mark contained in servo information, each time a servo controller generates a servo gate pulse. Upon detecting the servo mark, the R/W channel detects, from the read information, position information contained in the servo information and following the servo mark, at a timing determined by the detection timing of the servo mark. When the first mode has been switched to a second mode, the R/W channel detects the servo mark and position information using the synchronous method.
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